B41J 2/30
Control circuits for actuators
B41J2/30 (Control circuits for actuators) appears on 104 US grants and 15 published applications in this corpus.
Search patents in B41J- Granted patents
- 104
- Published applications
- 15
- Assignees
- 42
- Inventors
- 162
- Latest grant
- 31 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 10 | 0 |
| 1990 | 5 | 0 |
| 1991 | 12 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 5 |
| 2003 | 1 | 1 |
| 2004 | 4 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 2 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Actuator drive circuit of liquid discharge apparatus and print control apparatus31 Jan 2023US 11,565,520 B2Toshiba Tec Kabushiki Kaisha
- Actuator drive circuit of liquid discharge apparatus and print control apparatus17 May 2022US 11,331,912 B2Toshiba Tec Kabushiki Kaisha
- Potential printhead strike determination10 May 2022US 11,325,375 B2Hewlett-Packard Development Company, L. P.
- Printer4 Aug 2020US 10,730,314 B2Seiko Epson Corporation
- Drive circuit for driving a capacitive load7 Mar 2017US 9,586,396 B2Seiko Epson Corporation
- Actuator drive circuit of liquid discharge apparatus and print control apparatus21 Apr 2022US 2022/0118761 A1Toshiba Tec Kabushiki Kaisha
- Potential printhead strike determination11 Feb 2021US 2021/0039384 A1Hewlett-Packard Development Company, L. P.
- Actuator drive circuit of liquid discharge apparatus and print control apparatus1 Oct 2020US 2020/0307188 A1Toshiba Tec Kabushiki Kaisha
- Printer28 Jun 2018US 2018/0178545 A1Seiko Epson Corporation
- Drive circuit for driving a capacitive load25 Aug 2016US 2016/0243823 A1Seiko Epson Corporation
Most cited
By later US patents
- Dot matrix printer93US 5,806,997 ACanon Business Machines, Inc. · 1998
- Driving circuit for solenoid head of a printer86US 5,163,762 ABrother Kogyo Kabushiki Kaisha · 1992
- Printing apparatus that adapts to host computer's operation mode35US 4,968,159 ABrother Kogyo Kabushiki Kaisha · 1990
- Piezoelectric element drive circuit33US 4,947,074 ABrother Kogyo Kabushiki Kaisha · 1990
- Printer and method of control33US 5,639,169 ASeiko Epson Corporation · 1997